小麦丛矮病,是一种由灰飞虱传毒而引起的毁火性病害.我国特别是黄(河)、淮(河)麦区每年都有不同程度的发生,河南省周口地区为害尤甚.小麦患病后,一般减产30～50%,严重田块甚至绝收.防治小麦丛矮病,必须采取“防病先治虫”的策略和方法,即抓紧麦播期和秋苗期两个有利时期,狠治传毒媒介——灰飞虱,以达到“治虫防病”之目的. Wheat clumpy dwarf disease is a kind of fire-damaged disease caused by the brown planthopper poisoning.China, especially the Huanghe River and the Huaihe River, have varying degrees of occurrence each year, and the Zhoukou area in Henan Province is particularly harmful Even after the wheat disease, the general reduction of 30 to 50%, serious field or even adversity.Control wheat dwarf disease, we must take the “disease prevention and treatment of pests” strategy and methods, namely, to seize the wheat sowing and autumn seedling two Favorable period, ruthless cure poison vector - Laodelphax striatellus, in order to achieve “pest control disease” purposes.